Jason Chernoff Posted December 12, 2022 Share Posted December 12, 2022 Truck worked fine. Changed batteries and started it. Now SCR fault derate in 45 mins comes up and DEF level gauge shows empty. I’m sure this is related. Where do I start? Quote Link to comment https://www.bigmacktrucks.com/topic/70867-2013-pinnacle-scr-fault/ Share on other sites More sharing options...
0 Mackpro Posted December 13, 2022 Share Posted December 13, 2022 The power wire to the ACM was left off the batteries . This powers the ACM , def pump and level sensor . It’s a smaller wire with a in line fuse Quote Link to comment https://www.bigmacktrucks.com/topic/70867-2013-pinnacle-scr-fault/#findComment-518207 Share on other sites More sharing options...
0 Mackpro Posted December 13, 2022 Share Posted December 13, 2022 The wire usually falls back behind the batteries and is forgotten. Used to see this a lot at the dealership when batteries were replaced or tested Quote Link to comment https://www.bigmacktrucks.com/topic/70867-2013-pinnacle-scr-fault/#findComment-518208 Share on other sites More sharing options...
0 Onyx610 Posted December 13, 2022 Share Posted December 13, 2022 Yup, and if it’s hooked up check the fuse or for broken wire/bad connection. More then likely left off like Pro said. Quote Link to comment https://www.bigmacktrucks.com/topic/70867-2013-pinnacle-scr-fault/#findComment-518219 Share on other sites More sharing options...
0 Jason Chernoff Posted December 13, 2022 Author Share Posted December 13, 2022 That was the problem exactly. Thanks for the tip!! Quote Link to comment https://www.bigmacktrucks.com/topic/70867-2013-pinnacle-scr-fault/#findComment-518236 Share on other sites More sharing options...
Question
Jason Chernoff
Truck worked fine. Changed batteries and started it. Now SCR fault derate in 45 mins comes up and DEF level gauge shows empty. I’m sure this is related. Where do I start?
Link to comment
https://www.bigmacktrucks.com/topic/70867-2013-pinnacle-scr-fault/Share on other sites
4 answers to this question
Recommended Posts
Join the conversation
You can post now and register later. If you have an account, sign in now to post with your account.